      /*
        Scroll inside <main> (the site-wide model) so the scrollbar starts below the
        sticky header instead of running the full viewport.
      */
      body.page-stagify-plus main.sp-page {
        overflow-x: hidden;
      }
      .sp-page {
        --sp-navy: #0f1f4b;
        --sp-blue: #2563eb;
        --sp-blue-dark: #1d4ed8;
        --sp-ink: #0f172a;
        --sp-muted: #51607a;
      }
      /* main is the full-width scroll container (scrollbar hugs the viewport);
         this inner wrapper holds the centered, max-width content column. */
      .sp-page__inner {
        max-width: min(1060px, 100%);
        margin: 0 auto;
        /* main now sits below the sticky header, so only a small top gap is needed */
        padding: 1.75rem clamp(1.25rem, 4vw, 2rem) 4.5rem;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: clamp(1.1rem, 2.5vw, 1.6rem);
      }

      /* ---- Frosted glass primitive ---- */
      .glass {
        background: rgba(255, 255, 255, 0.62);
        -webkit-backdrop-filter: blur(22px) saturate(170%);
        backdrop-filter: blur(22px) saturate(170%);
        border: 1px solid rgba(255, 255, 255, 0.7);
        box-shadow: 0 18px 48px -18px rgba(15, 23, 42, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.85);
      }

      /* ---- Hero ---- */
      .sp-hero {
        width: 100%;
        max-width: 47rem;
        text-align: center;
      }
      .sp-hero h1 {
        margin: 0 0 0.45rem;
        font-size: clamp(1.85rem, 4.6vw, 2.75rem);
        color: var(--sp-navy);
        font-weight: 800;
        letter-spacing: -0.035em;
        line-height: 1.07;
      }
      .sp-hero h1 .sp-grad {
        display: inline-block;
        background-image:
          linear-gradient(
            90deg,
            transparent 0%,
            transparent 36%,
            rgba(126, 179, 252, 0.8) 50%,
            transparent 64%,
            transparent 100%
          ),
          linear-gradient(100deg, #3b82f6, #1e3a8a 55%, #2563eb);
        background-size: 280% 100%, 100% 100%;
        background-position: 100% center, center;
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        animation: spGradShine 7s linear infinite;
      }
      @keyframes spGradShine {
        0% { background-position: 100% center, center; }
        14% { background-position: 0% center, center; }
        14.01%, 100% { background-position: 100% center, center; }
      }
      .sp-hero p {
        margin: 0 auto;
        max-width: 38rem;
        color: var(--sp-muted);
        font-size: clamp(0.95rem, 1.3vw, 1.05rem);
        line-height: 1.5;
      }

      /* ---- Section headings ---- */
      .sp-h2 {
        text-align: center;
        margin: 0 0 1.4rem;
        font-size: clamp(1.4rem, 2.6vw, 1.85rem);
        font-weight: 800;
        letter-spacing: -0.025em;
        color: var(--sp-navy);
      }

      /* ---- Pricing card ---- */
      .sp-plan-wrap {
        width: 100%;
        max-width: 430px;
        overflow: visible;
      }
      .sp-hint {
        margin: 0 0 0.55rem;
        font-size: 0.82rem;
        line-height: 1.5;
        color: #475569;
        padding: 0.62rem 0.9rem;
        border-radius: 13px;
        background: rgba(255, 255, 255, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.65);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        text-align: center;
      }
      .sp-plan {
        position: relative;
        border-radius: 24px;
        padding: 1.9rem 1.6rem 1.55rem;
        overflow: visible;
        text-align: center;
      }
      .sp-plan-head {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.35rem;
      }
      .sp-plan-head img {
        width: 48px;
        height: 48px;
        object-fit: contain;
      }
      .sp-plan-name {
        margin: 0.2rem 0 0;
        font-size: 1.2rem;
        font-weight: 800;
        color: var(--sp-ink);
        letter-spacing: -0.02em;
      }
      .sp-plan-sub {
        margin: 0;
        font-size: 0.78rem;
        color: var(--sp-muted);
        font-weight: 600;
      }
      .sp-price-row {
        display: flex;
        align-items: baseline;
        justify-content: center;
        gap: 0.3rem;
        margin: 1.05rem 0 0.1rem;
      }
      .sp-price-amt {
        font-size: 2.9rem;
        font-weight: 800;
        color: var(--sp-ink);
        letter-spacing: -0.045em;
        line-height: 1;
      }
      .sp-price-per {
        font-size: 0.95rem;
        color: var(--sp-muted);
        font-weight: 600;
      }
      .sp-trial-pill {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        padding: 0.36rem 0.9rem;
        border-radius: 999px;
        background: rgba(16, 185, 129, 0.14);
        color: #047857;
        font-size: 0.8rem;
        font-weight: 700;
        margin-top: 0.55rem;
      }
      .sp-trial-pill svg {
        width: 14px;
        height: 14px;
      }

      /* ---- Black-hole subscribe button ---- */
      .bh-stage {
        position: relative;
        margin-top: 1.25rem;
        padding: 30px 0;
        display: flex;
        justify-content: center;
      }
      /* Full-viewport WebGL gravitational lens. Fixed, just above the background
         video (z-index -1) and below all page content, so the warp bends the live
         background around the button and extends beyond the card with no clip. */
      #bh-canvas {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        pointer-events: none;
        display: none;
      }
      @media (prefers-reduced-motion: reduce) {
        #bh-canvas { display: none !important; }
        .bh-stage .sp-gradient-checkout-btn,
        .sp-hero h1 .sp-grad { animation: none; }
        .sp-hero h1 .sp-grad {
          background-image: linear-gradient(100deg, #3b82f6, #1e3a8a 55%, #2563eb);
          background-size: auto;
        }
      }
      @media (max-width: 768px) {
        /* A bit more breathing room above the hero on mobile */
        .sp-page__inner {
          padding-top: calc(1.75rem + 18px);
        }
        .bh-stage {
          padding: 0;
        }
        #bh-canvas {
          display: none !important;
        }
        .bh-stage .sp-gradient-checkout-btn,
        .bh-stage .sp-gradient-checkout-btn:hover {
          animation: none !important;
          transform: none !important;
          box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15) !important;
        }
        .bh-stage .sp-gradient-checkout-btn::after {
          display: none !important;
        }
      }

      /* Plasma gradient + glare CTA (same family as the top-nav pill); solid blue on small screens */
      .sp-gradient-checkout-btn {
        display: block;
        text-align: center;
        text-decoration: none;
        color: #fff !important;
        font-size: 17px;
        font-weight: 700;
        padding: 13px 18px;
        border-radius: 20px;
        position: relative;
        overflow: hidden;
        background-color: #2563eb;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        transition: background-color 0.18s ease, box-shadow 0.25s ease, transform 0.15s ease;
        min-width: 230px;
      }
      .sp-gradient-checkout-btn:hover {
        color: #fff !important;
        text-decoration: none;
        background-color: #1d4ed8;
      }
      .sp-gradient-checkout-btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.4), transparent);
        transition: left 0.5s ease;
        opacity: 0;
        pointer-events: none;
      }
      .sp-gradient-checkout-btn:hover::before {
        left: 100%;
        opacity: 1;
      }
      .sp-gradient-checkout-btn strong {
        position: relative;
        z-index: 2;
      }
      @media (min-width: 769px) {
        .sp-gradient-checkout-btn {
          background:
            radial-gradient(circle at 20% 50%, #3b82f6 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, #1d4ed8 0%, transparent 50%),
            radial-gradient(circle at 40% 80%, #2563eb 0%, transparent 50%),
            radial-gradient(circle at 0% 100%, #1e40af 0%, transparent 50%),
            radial-gradient(circle at 100% 0%, #60a5fa 0%, transparent 50%),
            #1e3a8a;
          box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
      }
      /* Proximity glow + darkening "event horizon" core. The button gently
         enlarges as the cursor nears (scale driven by --bh) with only a faint
         sub-pixel tremor — the dramatic distortion lives in the lensing aura. */
      .bh-stage .sp-gradient-checkout-btn,
      .bh-stage .sp-gradient-checkout-btn:hover {
        position: relative;
        z-index: 1;
        animation: bh-shake 0.22s ease-in-out infinite;
        box-shadow:
          0 4px 15px rgba(0, 0, 0, 0.2),
          0 0 calc(var(--bh, 0) * 80px) calc(var(--bh, 0) * 18px) rgba(59, 130, 246, calc(var(--bh, 0) * 0.98)),
          0 0 calc(var(--bh, 0) * 130px) calc(var(--bh, 0) * 6px) rgba(191, 219, 254, calc(var(--bh, 0) * 0.5));
      }
      @keyframes bh-shake {
        0%   { transform: scale(calc(1 + var(--bh, 0) * 0.07)) translate(0, 0); }
        25%  { transform: scale(calc(1 + var(--bh, 0) * 0.07)) translate(calc(var(--bh, 0) * -0.9px), calc(var(--bh, 0) * 0.6px)); }
        50%  { transform: scale(calc(1 + var(--bh, 0) * 0.07)) translate(calc(var(--bh, 0) * 0.8px), calc(var(--bh, 0) * -0.7px)); }
        75%  { transform: scale(calc(1 + var(--bh, 0) * 0.07)) translate(calc(var(--bh, 0) * -0.6px), calc(var(--bh, 0) * -0.6px)); }
        100% { transform: scale(calc(1 + var(--bh, 0) * 0.07)) translate(0, 0); }
      }
      .bh-stage .sp-gradient-checkout-btn::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        pointer-events: none;
        background: radial-gradient(circle at center, rgba(2, 2, 10, 0.62), rgba(2, 2, 10, 0) 68%);
        opacity: var(--bh, 0);
        transition: opacity 0.2s ease;
        z-index: 0;
      }
      .sp-gradient-checkout-btn--subscribed,
      .sp-gradient-checkout-btn--subscribed:hover {
        transform: none !important;
        animation: none !important;
        cursor: not-allowed;
        pointer-events: none;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12) !important;
        opacity: 0.95;
      }
      .sp-gradient-checkout-btn--subscribed::before,
      .sp-gradient-checkout-btn--subscribed::after {
        display: none !important;
      }
      @media (min-width: 769px) {
        .sp-gradient-checkout-btn--subscribed,
        .sp-gradient-checkout-btn--subscribed:hover {
          background:
            radial-gradient(circle at 20% 50%, #3b82f6 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, #1d4ed8 0%, transparent 50%),
            radial-gradient(circle at 40% 80%, #2563eb 0%, transparent 50%),
            radial-gradient(circle at 0% 100%, #1e40af 0%, transparent 50%),
            radial-gradient(circle at 100% 0%, #60a5fa 0%, transparent 50%),
            #1e3a8a !important;
        }
      }

      .sp-stripe-pay-note {
        margin: 0.8rem 0 0;
        font-size: 0.72rem;
        line-height: 1.4;
        color: #94a3b8;
        text-align: center;
      }
      .sp-badges {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.35rem 0.9rem;
        margin: 1.1rem 0 0;
        font-size: 0.72rem;
        color: #94a3b8;
        font-weight: 600;
      }
      .sp-badges span {
        display: inline-flex;
        align-items: center;
        gap: 0.32rem;
      }
      .sp-badges svg {
        width: 13px;
        height: 13px;
      }
      .sp-manage-sub {
        margin: 0.75rem 0 0;
        text-align: center;
      }
      .sp-manage-sub__btn {
        margin: 0;
        padding: 0;
        border: none;
        background: none;
        font: inherit;
        font-size: 0.78rem;
        color: #64748b;
        text-decoration: underline;
        text-underline-offset: 2px;
        cursor: pointer;
      }
      .sp-manage-sub__btn:hover {
        color: #334155;
      }
      .sp-manage-sub__btn:disabled {
        opacity: 0.6;
        cursor: wait;
      }

      /* ---- Feature grid ---- */
      .sp-features-section {
        width: 100%;
        max-width: 1000px;
      }
      .sp-feature-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1rem;
      }
      @media (max-width: 840px) {
        .sp-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      }
      @media (max-width: 520px) {
        .sp-feature-grid { grid-template-columns: 1fr; }
      }
      .sp-feature {
        padding: 1.3rem 1.25rem;
        border-radius: 17px;
        transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
      }
      .sp-feature:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 40px -18px rgba(30, 58, 138, 0.4);
        border-color: rgba(37, 99, 235, 0.4);
      }
      .sp-feature-ico {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        display: grid;
        place-items: center;
        background: linear-gradient(135deg, #3b82f6, #1e3a8a);
        color: #fff;
        margin-bottom: 0.8rem;
        box-shadow: 0 6px 16px -6px rgba(37, 99, 235, 0.6);
      }
      .sp-feature-ico svg {
        width: 21px;
        height: 21px;
      }
      .sp-feature h3 {
        margin: 0 0 0.3rem;
        font-size: 1rem;
        font-weight: 700;
        color: var(--sp-ink);
        letter-spacing: -0.01em;
      }
      .sp-feature p {
        margin: 0;
        font-size: 0.84rem;
        line-height: 1.5;
        color: var(--sp-muted);
      }

      /* ---- Comparison table ---- */
      .sp-compare {
        width: 100%;
        max-width: 720px;
      }
      .sp-compare-table-wrap {
        border-radius: 18px;
        overflow: hidden;
      }
      .sp-compare-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      .sp-feature-table {
        width: 100%;
        min-width: 300px;
        border-collapse: collapse;
        font-size: 0.9rem;
        line-height: 1.45;
      }
      .sp-feature-table thead th {
        background: rgba(241, 245, 249, 0.55);
        padding: 0.85rem 0.75rem;
        font-weight: 700;
        color: var(--sp-navy);
        border-bottom: 1px solid rgba(15, 23, 42, 0.1);
        vertical-align: middle;
      }
      .sp-feature-table thead th:first-child {
        text-align: left;
        padding-left: 1.25rem;
      }
      .sp-feature-table thead th:not(:first-child) {
        text-align: center;
        width: 7rem;
      }
      .sp-th-plan {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
      }
      .sp-th-plan img {
        width: 22px;
        height: 22px;
        object-fit: contain;
        display: block;
      }
      .sp-feature-table tbody th {
        font-weight: 500;
        text-align: left;
        padding: 0.78rem 0.85rem 0.78rem 1.25rem;
        color: #334155;
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        vertical-align: middle;
      }
      .sp-feature-table td {
        text-align: center;
        padding: 0.7rem 0.5rem;
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        vertical-align: middle;
      }
      .sp-mark {
        font-size: 1.05rem;
        font-weight: 800;
        line-height: 1;
      }
      .sp-mark--yes {
        color: #16a34a;
      }
      .sp-mark--no {
        color: #cbd5e1;
        font-size: 1.15rem;
      }
      .sp-feature-table tbody tr:last-child th,
      .sp-feature-table tbody tr:last-child td {
        border-bottom: none;
      }

      /* ---- Enterprise + footer links ---- */
      .sp-enterprise-row {
        width: 100%;
        max-width: 820px;
        padding: 1.4rem 1.75rem;
        text-align: center;
        border-radius: 16px;
        font-size: 0.95rem;
        color: #475569;
        line-height: 1.6;
      }
      .sp-enterprise-row a {
        color: var(--sp-blue);
        font-weight: 600;
        text-decoration: none;
      }
      .sp-enterprise-row a:hover {
        text-decoration: underline;
      }
      .sp-foot-links {
        width: 100%;
        max-width: 720px;
        text-align: center;
      }
      .sp-aside-links {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem 1.5rem;
        margin: 0 0 0.6rem;
        padding: 0;
        list-style: none;
        font-size: 0.85rem;
      }
      .sp-aside-links a {
        color: var(--sp-blue);
        text-decoration: none;
        font-weight: 600;
      }
      .sp-aside-links a:hover {
        text-decoration: underline;
      }
      .sp-footnote {
        margin: 0;
        font-size: 0.83rem;
        color: #64748b;
      }
      .sp-footnote a {
        color: var(--sp-blue);
        font-weight: 600;
        text-decoration: none;
      }
      .sp-footnote a:hover {
        text-decoration: underline;
      }
